Mdmp 0906 20 Z Roush Performance Powertrains And Engines Front View

The final piece of the puzzle in the FE/4R70W marriage is this engine rear cover plate, manufactured by Roush, with an FE bolt pattern and modular starter port. Incidentally, the flywheel used on the FE/4R70W application is a neutral-balance 184-tooth part from the 385-series big-block.